The Hundred-Year-Old Man Who Climbed Out the Window and Disappeared, written by Jonas Jonasson, is a hilarious comedy drama book that follows the adventures of Allan Karlsson, a centenarian who decides to escape from his nursing home on his 100th birthday. As Allan embarks on a journey filled with unexpected encounters and mishaps, his past as a dynamite expert and involvement with key historical events are revealed. This book is a delightful blend of humor, history, and adventure.